SKU: 133923144

NOW Supplements Double Strength L-Arginine 1,000 mg. Amino Acid (120 ct.)

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Description

NOW Supplements Double Strength L-Arginine 1,000 mg. Amino Acid (120 ct.)HIGHLIGHTS: Now has twice the L Arginine (1,000 mg. per tablet) dosage Arginine is a conditionally essential basic amino acid and plays an important role in the dilation of blood vessels* L Arginine used in this product is pharmaceutical grade NPA A rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory testing methods (for stability, potency, and product formulation). PRODUCT

HIGHLIGHTS:





  • Now has twice the L-Arginine (1,000 mg. per tablet) dosage


  • Arginine is a conditionally essential basic amino acid and plays an important role in the dilation of blood vessels*


  • L-Arginine used in this product is pharmaceutical grade


  • NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).




PRODUCT DETAILS:



What is L-Arginine?



NOW L-Arginine comes in extra strength 1,000 mg tablets and is non-GMO. Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein production.* It is an important precursor of nitric oxide (NO) and thus plays a role in the dilation of blood vessels.* The L-Arginine used in this product is pharmaceutical grade. Natural color variation may occur in this product.



Manufacturing Testing and Assurance



Not manufactured with wheat, gluten, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens. Made and quality tested in the USA in NOW’s Natural Products Association (NPA) A-rated, GMP-certified manufacturing facility. NOW conducts approximately 19,000 quality control tests per month in their in-house labs to ensure their products are safe and effective. In taking more positive steps on their journey to reduce the company's environmental impact, NOW is starting the transition of their supplement bottles to 100% post-consumer recycled (PCR) resin in 2023. Replacing the NOW standard PET bottles with PCR resin allows the company to re-use recycled packaging materials and lighten NOW's footprint on the earth.



NOW Nutrition



From day one, NOW was created to empower healthy living. We are a legacy, family-owned brand, a founding supporter of Vitamin Angels, and absolutely relentless about making the natural products and supplement industry better. Our mission is to provide value in products and services that empower people to lead healthier lives.



Suggested Usage



Take one tablet with 8 oz. of water or juice. Not for pregnant or nursing women. Consult physician if taking medication (especially antihypertensives, anticoagulants, and antidiabetic drugs), have a medical condition (especially asthma or renal disease) or are planning to have surgery. This product should be avoided by persons with glaucoma or herpes simplex unless otherwise prescribed by a physician. Do not use if you have had a myocardial infarction or have established coronary artery disease. Natural color variation may occur in this product.



GRP:SMS

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SKU: 133923144

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Amazon Customer
Chelsea, US
★★★★★ 5
These are worth the money!! BUY THEM!!
Pattern Name: 3 Large balls
These balls are amazing if you have a dog that likes to chew! We have 2 medium sized breeds that are heavy heavy chewers and they get so excited when we dig these out from under the couch or tv stand. Most "chew toys" have to find their way to the garbage within a few days. We've had these a little over 2 weeks now and they are holding up great. There are little teeth marks in them but no chunks ripped out and seem to be holding up great. They are a little squishy so I was worried they would get destroyed but nope. They are a little bigger than a tennis ball so I don't have to worry about them choking on them. JUST BUY THEM!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
M
Verified Purchase
Mare Bear
Lexington, US
★★★★★ 5
Nice Ball
Pattern Name: 1 Large ball
Nice light, yet durable ball for my gs/pit mix. He's a year and a half and he plays hard. I really like this ball and I'd buy it again.
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Reviewed in the United States on May 7, 2026
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Amazon Customer
Natrona Heights, US
★★★★★ 4
Bounces great
Pattern Name: 3 Large balls
My dog is ball crazy and she loves this ball. It is durable and lightweight.
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Reviewed in the United States on May 19, 2026
S
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Shane C.
Alexandria, US
★★★★★ 5
Safe for your dogs teeth
Pattern Name: 4 Medium balls
These balls are fantastic. They are better for our dogs teeth. Traditional tennis balls have a material that will shave down dogs teeth after prolonged use. These are safe for their teeth. Bounce incredibly high. Which our Aussie loves and the bright colors make them easy to find in the yard: I highly recommend these!
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Reviewed in the United States on May 11, 2026
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L. Sayoc
San Leandro, US
★★★★★ 5
Great product that is tougher that it looks.
Pattern Name: 3 Large balls
I have a Malinois/GSD and most toys do not last with him as he finds a way to tear it and shred it but this one has and it’s a great product. Feels like a rubbery foam nerf ball and at first I was concerned that it would not last but it surely has and it’s one of my dogs favorite toy to play with and catch.
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Reviewed in the United States on May 9, 2026

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